FLUSHING, NY - AUGUST 31:  (L-R) Executive Vice President of NASDAQ Bruce E. Aust, tennis player Melanie Oudin, Chairman of the Board and President of NASDAQ Lucy Garvin and tennis player Sam Querrey  preside over the opening bell of the NASDAQ Market on August 31, 2009 in New York City. Getty Images logo Getty Images 3 months ago

FLUSHING, NY - AUGUST 31: (L-R) Executive Vice President of NASDAQ Bruce E. Aust, tennis player Melanie Oudin, Chairman of the Board and President of NASDAQ Lucy Garvin and tennis player Sam Querrey preside over the opening bell of the NASDAQ Market on August 31, 2009 in New York City.